Despite cleaning with acetone and scrubbing the Eternabond still not stick, I'm not sure if the caulking is either. Also where the radio resides need to remove it and fix the deck underneath due to pr...
Give Eternabond a call - might be a bad batch of Eternabond (it happens and they will send you a new roll) or maybe it's a contamination issue (silicone) and they may have some advice on how to remove that. My guess is that they will send you a new roll and give you advice on how to mitigate the potential silicone. Zero downside.